... CNC SERVICES surface:polishing spray high quality,+/-0.1mm sheet metal work -direct manufacturer with low price -various material ... al.,al. alloy ,low carbon steelPrecision machine: punch press 16 to 160 tons bending machine,shear machine welding ... CNC SERVICESProcess:stamping,punching,pressing,machining,welding,bending & metal fabrication,etc Surface finish: Polishing, zinc/chromate platingProcesses: ...